Sigma 12-24mm f/4 DG HSM | A review

A revision of an old favourite, this ‘Art’ lens goes XXL on viewing angles

(Image: © Future)

Digital Camera World Verdict

An old favourite gets the Sigma ‘Art’ designation, and the result is one of the best ultra-wide full-frame zooms on the market. The Sigma 12-24mm f/4 DG HSM | A is an excellent lens that ticks a huge number of boxes, from its upgraded autofocus system to its durable construction with fluorine coatings for element protection. Image quality is (almost) uniformly excellent, and it represents serious competition with Canon’s own wide-angle zooms. You won’t be disappointed with this highly capable and versatile optic.

Pros

  • +

    Strong, rugged build

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    Excellent image quality

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    Useful built-in hood

Cons

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    Some corner sharpness issues

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Sigma’s 12-24mm Mk II lens gained an excellent reputation for maintaining stellar image quality and handling with a wide maximum viewing angle. This is the Sigma 12-24mm f/4 DG HSM | A, the newer ‘Art’ edition from the company’s Global Vision line-up, retaining the same zoom range but adding a host of improvements, going head to head with the likes of Canon’s EF 11-24mm f/4L USM lens. Does it have what it takes to compete with Canon’s own-brand wide zoom?

A standout upgrade in the new lens is that it has a constant rather than variable aperture rating, which is generally preferred by enthusiast and professional photographers. The revamped optical path incorporates an extra-large diameter aspherical element and five premium FLD (Fluorite-grade Low Dispersion) elements. Fluorine coatings are applied to the front and rear elements, and the mounting plate is weather-sealed, so this lens is more than equipped for outdoor adventures. 

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Matthew Richards

Matthew Richards is a photographer and journalist who has spent years using and reviewing all manner of photo gear. He is Digital Camera World's principal lens reviewer – and has tested more primes and zooms than most people have had hot dinners! 

His expertise with equipment doesn’t end there, though. He is also an encyclopedia  when it comes to all manner of cameras, camera holsters and bags, flashguns, tripods and heads, printers, papers and inks, and just about anything imaging-related. 

In an earlier life he was a broadcast engineer at the BBC, as well as a former editor of PC Guide.